Environmental Issues

Question 1

almost ___ per cent forests have been lost in the
tropics, compared to only __ per cent in the temperate region

Answer 1

40

1

Question 2

At the beginning of the twentieth century, forests covered about __ per cent of the land of
India. By the end of the century, it shrunk to _____ per cent

Answer 2

30

21.54

Question 3

National Forest Policy was which year

Answer 3

1988

Question 4

According to National Forest Policy, plains require ____% forest cover and hills require _____%

Answer 4

33

67

Question 5

Amrita Devi Bishnoi which year

Answer 5

1731

Question 6

Chipko movement where? Which year?

Answer 6

Garwhal Himalayas

1974

Question 7

Joint Forests Management which year?

Answer 7

1980s

Question 8

Two problems of Green revolution

Answer 8

Waterlogging and salinity

Question 9

Snow blindness is?

Answer 9

Inflammation of cornea

Question 10

Montreal Protocol was signed in?

Answer 10

1987 (effective in 1989)

Question 11

without greenhouse effect the average temperature
at surface of Earth would have been a chilly _____°C rather than the present
average of ____°C.

Answer 11

–18

15

Question 12

Clouds
and gases reflect about _____ of the
incoming solar radiation, and absorb some of
it but almost ___ of incoming solar radiation
falls on Earth’s surface heating it

Answer 12

¼th

½

Question 13

During the past century, the

temperature of Earth has increased by ____°C

Answer 13

0.6

Question 14

Relative contribution of 
CO2
CH4
CFCs
N2O

Answer 14

60%
20%
14%
6%

Question 15

Nuclear waste is buried ____m below the ground

Answer 15

500

Question 16

Integrated organic farming initiated by ______ of _____?

Answer 16

Ramesh Chandra Dagar

Sonipat, Haryana

Question 17

Polyblend increases road life by?

Answer 17

three times

Question 18

against the price of Rs. ____ per kg that rag pickers had been getting for plastic waste, Khan now offers Rs.__

Answer 18

0.40

6.

Question 19

Water (prevention and control of pollution) act was introduced in?

Answer 19

1974

Question 20

Waste disposal into water without proper

treatment may cause an outbreak of serious diseases, such as

Answer 20

dysentery, typhoid, jaundice, cholera, etc.

Question 21

heavy metals is defined as elements with density

Answer 21

> 5 g/cm3

Question 22

Biomagnification is seen with

Answer 22

mercury and DDT

Question 23

if it starts at 0.003 ppb
(ppb = parts per billion) in water, it can ultimately reach
25 ppm (ppm = parts per million) in fish-eating birds

Answer 23

dk if you gotta study but still keep note

Question 24

Particulate size less than ___ micron is harmful

Answer 24

2.5

Question 25

Air (Prevention and Control of Pollution) Act was introduced in?
Amended to add noise in?

Answer 25

1981

1987

Question 26

Brief exposure to ___ dB may permanently impair hearing ability

Answer 26

150

Question 27

All the buses of Delhi were converted to run on CNG by the end of ______

Answer 27

2002

Question 28

According to Euro III norms, sulphur is to be controlled at ____ppm in petrol and ___ppm in diesel

Answer 28

150

350

Question 29

Aromatic hydrocarbons should be contained at ___% of the fuel

Answer 29

42

Question 30

The goal is to decrease sulphur content to ____ppm in petrol and diesel, and reduce aromatic hydrocarbons to ____

Answer 30

50

35%

Question 31

Which stage of Bharat Mass Emission Standards are we at

Answer 31

IV (13 major cities)

III (throughout the country)

Question 32

scrubber sprays __ or __

Answer 32

water or lime

Question 33

Eutrophication plants

Answer 33

marsh then bog

Question 34

First step of Arcata?

Answer 34

conventional sedimentation, filtering, chlorine treatment

Question 35

The second step of Arcata?

Answer 35

neutralize, assimilate and absorb